Investigation of Landslide Occurrence Using Microtremor: Landslide Case Study in BuloBulo Village, Barru, Indonesia

Abstract

Abstract This research investigates the seismic resonance effect by utilizing the natural frequencies of the ground to study landslides in BuloBulo Village, Pujananting, Indonesia, with a focus on disaster mitigation. Microtremor surveys were conducted by mounting horizontal and vertical components at 15 points with a measurement distance of 11 m. The analysis involves HVSR correlation, microtremor particle directivity, from the analysis obtained, the frequency and amplification relationship which has a changing trend in the landslide area and away from the landslide area. Additionally, the polarization movement of microtremor direction has variation of vibration direction at each measurement point.

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